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    CVE-2017-12132

    The DNS stub resolver in the GNU C Library (aka glibc or libc6) before version 2.26, when EDNS support is enabled, will solicit large UDP responses from name servers, potentially simplifying off-path DNS spoofing attacks due to IP fragmentation.

    Published:Apr 7, 2017
    Last Modified:Apr 20, 2025
    EPS:Aug 1, 2017
    EPSS Score:0.00241
    CVSS Score:5.9

    Affected Products

    Vendor
    Gnu
    Product
    Glibc
    Vendor
    Redhat
    Product
    Enterprise Linux

    Exploits

    No exploit reference

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    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High